A federal appeals court had sided with Republicans seeking to use redrawn congressional district boundaries to give their party an advantage in the midterms elections.
The court said a map redrawn to benefit Republicans could not be used in November and said voters should decide on the new boundaries. The state attorney general vowed to appeal the decision.
The state had sought to have the agent extradited from Texas to answer charges in Minneapolis related to an on-duty shooting that wounded an immigrant.
Voters in Kansas rejected a proposal to start electing Supreme Court justices, while Missourians declined to make it harder to amend the State Constitution.
Opponents of the new map, which was redrawn to benefit Republicans, had gathered signatures seeking a statewide vote. The issue could now move to the courts.
In a race to be governor of Kansas, State Senator Cindy Holscher defeated a fellow Democratic lawmaker who was endorsed by the current governor, Laura Kelly.